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Math Term 1 2021-2022 - Coggle Diagram
Math Term 1 2021-2022
Angle Pairs
Vertical angle
of Four angles lying on opposite sides of two intersecting lines.
Adjacent angle
Two pair of angles that have the same vertext but do not overlap one another
Complimentary angle
two angles that make up a 90 degree angle together
Supplementary angle
two angles that make up a 90 degree angle together
Parallel Angles
Properties of an angle in a circle
Double Angle
The angle at the centre of a circle is twice the angle at the edge
Isosceles
A triangle containing two radius
Angles connected by a chord
Angles connected by a chord are equal
Tangents
A tangent will always meet a radius at 90°
Cyclic Quadrilaterals
Opposite angles in a cyclic quadrilaterals add up to 180°
Trigonometry
Sin
Opposite : Hypothenuse
Cos
Adjacent : Hypotenuse
Tan
Opposite : Adjacent
Triangle parts
Adjacent
The shortest side of the triangle
Opposite
The side across the hypothenuse
Hypothenuse
Slanted part of a triangle/Longest part of a triangle
Exponent and roots
Roots
Cubic roots
Adding the opposite equation of the denominator and combining it with the original equation
Coordination transformation
Translation
Moving the coordinates by the given rule
Rotation
90 Degrees Clockwise
90 Degrees Anti-Clockwise
180 Degrees
Etc
Reflection
Across the X axis
Across the Y axis
Congruency and Similarity
Congruency
When they have the same Side and Angle
Similarity
When they have the same angles but different size
Dialation
Reduction